Curated OER
Chapter 13 Review, Mixed Review: Ions in Aqueous Solutions and Colligative Properties
Here is an attractive worksheet that walks chemistry learners through a review of aqueous solutions. There are matching, short answer, and multiple choice questions dealing with boiling and freezing points, precipitate, molality, net...
Curated OER
Oxidation-Reduction Reactions
Focus on oxidation-reduction reactions with a review worksheet. Junior chemists answer short-answer questions before they write balanced half-reaction and full-reaction equations.
Curated OER
Properties of Materials (with adjectives)
Help your students write descriptive lab reports! Designed for ESL students but useful for mainstreamed kids as well, the activity prompts students to think of substances that match twenty given adjectives ("salt" for "soluble," for...
Curated OER
Group 15, The Nitrogen Group
This short presentation provides a convenient introduction to the nitrogen group in the periodic table of elements. A graphic displays where they are placed in the periodic table. The nitrogen cycle is mentioned and ammonia is explained....
Curated OER
Circulatory System
The ciculatory system is introduced here by means of clear, labelled diagrams and charts with details. After learning the basics of the heart strucure, a sequence of slides help show the flow the blood as the heart muscle contracts. A...
Curated OER
Binary Hydrogen Compounds
Viewing this slide show prepares your chemistry scholars for chemical nomenclature. Specifically, binary hydrogen compounds and ternary compounds formed from oxyacids are dealt with. One highlight is a useful graphic organizer for naming...
Science Geek
Thermochemical Calculations
Viewers learn where the heat goes when phase changes take place with a presentation that explains the latent heat of phase changes, or, more specifically, the molar heat of fusion, solidification, vaporization, and condensation. The show...
Curated OER
Oyster Gardens - No Soil Required!
Explore the practice of oyster gardening. Because oysters play a vital role in marine ecosystems and their populations have declined, biologists are transplanting oyster seed to repopulate reefs. After learning about this practice,...
Curated OER
Weathering and Soil Formation
A set of 27 slides systematically shows how weathering, erosion, and deposition contribute to soil formation. Both chemical and mechanical weathering are described, as are resulting soil layers and properties. There is no longer any need...
Gallantsbiocorner.com
The Cell
Help young biologists piece together an understanding of cell structure with a comprehensive review worksheet. Tasking students with describing the function of the organelles found in cells and their relationship with one another, this...
Chymist
Hydrates
What occurs when a hydrate is heated? Lead your class in exploring the answer to this question as they investigate the properties of a hydrated compound. They heat copper(II) sulfate pentahydrate and evaporate the water byproduct to...
Chymist
Plop, Plop, Fizz, Fizz
One of the most recognizable commercial melodies was written in 1977, and led to gastronomical relief around the world. Scholars use Alka Seltzer tablets to measure reactants and calculate the chemical equation for the reaction of NaHCO3...
Curated OER
Weathering Lab
Assist your middle school class with one of the most inclusive weathering and erosion labs available. Individuals use sugar cubes and alka-seltzer to demonstrate the process of physical and chemical weathering. They sketch results...
Royal Society of Chemistry
Weathering and Erosion: Simulating Rock Attack in the Lab
Into each life some rain must fall, but how can that change rocks? Young geologists' understanding of weathering and erosion increases throughout the activities. The lesson includes five short activities to be completed over two class days.
American Chemical Society
What is a Chemical Reaction?
When a candle burns down, what happens to the mass that appears to be shrinking? Lesson begins with a demonstration of the chemical reaction of a candle burning. Then scholars use atom models to observe conservation of mass concretely.
Agriculture in the Classroom
Wad-a-Watershed
What kind of impact do humans have on watersheds? Find out in a instructional activity that defines, explores, and promotes ways to protect our watersheds. The ultimate goal of the instructional activity is for learners to discover how a...
National Wildlife Federation
The Amazing Adventures of Carbon: How Carbon Cycles through the Earth
Here's a stat for your pupils: 18 percent of the human body is carbon! Part 10 in the series of 12 takes pairs on an adventure through the carbon cycle. After a class reading about carbon, pairs read and choose their own adventure...
Chymist
Tritration: Standardization of a Base and Analysis of Stomach Antacid Tablets
Do antacid tablets really do what they claim? An experimental lesson attempts to answer this question. Individuals practice the process of titration during the first part of the experiment. They then use those skills to neutralize an...
American Chemical Society
The Energy of Evaporation
Do all liquids evaporate at the same rate? Young scientists observe the evaporation rate of three different liquids. They measure the time, the temperature, and the change in energy. After comparing the chemical formulas, scholars...
American Chemical Society
Exothermic, Endothermic, and Chemical Change
Scientists can't observe bonds breaking or forming, so how do they distinguish between exothermic and endothermic reactions? Young scholars complete two experiments to do just that. They monitor temperature change and calculate the...
Nuffield Foundation
Effect of Size on Uptake by Diffusion
Cell size is limited by the surface area to volume ratio, but why is this true? Scholars measure the surface area and volume of cubes before placing them into liquid. After a set amount of time, they measure the uptake by diffusion for...
Nuffield Foundation
Making Up Nutrient Agars
A resource rich in information—and nutrients. Learners create agars for the purpose of cell cultivation in Petri dishes. The lesson provides instructions on how to create agars for the cultivation of different microorganisms.
Nuffield Foundation
Making a Calibration Curve for Starch Concentration
How well can your class concentrate on solutions? Scholars use colorimeter absorption to explore a starch concentration calibration curve. They add iodine to different starch solutions to see how the concentration of the solution changes.
Nuffield Foundation
Measuring the Vitamin C Content of Foods and Fruit Juices
Are you getting enough vitamin C? Young scientists determine the amount of vitamin C in fruit juice samples. They accomplish this task by adding DCPIP solution to the samples until the blue color of the DCPIP persists. Once this happens,...